Andrew Straw wrote:
> LANDRIU David SAp wrote:
>> Hello,
>>
>> I come back to my question : how to use numarray
>> with the numpy installation ?
>>
>> {ccali22}~(0)>setenv PYTHONPATH /usr/local/lib/python2.3/site-packages/numpy
>>
> Here's where you went wrong. You want:
>
> setenv PYTHONPATH /usr/local/lib/python2.3/site-packages
>
>> {ccali22}~(0)>python
>> Python 2.3.5 (#2, Oct 17 2005, 17:20:02)
>> [GCC 3.2.3 20030502 (Red Hat Linux 3.2.3-52)] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>>
>>>>> from numarray import *
>>>>>
>> Traceback (most recent call last):
>> File "<stdin>", line 1, in ?
>> File "/usr/local/lib/python2.3/site-packages/numpy/numarray/__init__.py",
>> line 1, in ?
>> from util import *
>> File "/usr/local/lib/python2.3/site-packages/numpy/numarray/util.py", line
>> 2, in ?
>> from numpy import geterr
>> ImportError: No module named numpy
>>
>
> Note that you're actually importing a numarray within numpy's directory
> structure. That's because of your PYTHONPATH. numpy ships numpy.numarray
> to provide backwards compatibility. To use it, you must do "import
> numpy.numarray as numarray"
>
Just to explain -- there is only a numarray directory inside numpy
to provide some special treatment for people that do the transition from
numarray to numpy - meaning: they can do somthing like
from numpy import numarray
and get a "numpy(!) version" that behaves more like numarray than the
straight numpy ...
Similar for
"from numarray import oldnumaric as Numeric" (for people coming from
Numeric )
Yes - it is actually confusing, but that's the baggage when there are 2
(now 3) numerical python packages is human history.
The future will be much brighter - forget all of the above, and just use
import numpy
(I like "import numpy as N" for less typing - others prefer even
"from numpy import *"
)
Hope that helps,
- Sebastian Haase
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